working group i contribution to the ipcc fifth assessment report climate change 2013:

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Working Group I Contribution to the IPCC Fifth Assessment Report Climate Change 2013: The Physical Science Basis: SPM. Jose A. Marengo RE, Chapter 2 WGI j ose.marengo@inpe.br. (IPCC 2013, Fig. SPM.1a). Annual mean Arctic summer sea ice. s tart of satellite data. - PowerPoint PPT Presentation

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© Yann Arthus-Bertrand / Altitude

Working Group I Contribution to the IPCC Fifth Assessment Report Climate Change 2013: The Physical Science Basis:

SPMJose A. Marengo

RE, Chapter 2 WGIjose.marengo@inpe.br

(IPC

C 2

013,

Fig

. SP

M.1

a)

Annual mean Arctic summer sea ice

start of satellite data

Annual mean Arctic summer sea ice extent decreased very likely with a rate of 3.5-4.1% per decade in 1979 – 2012

decrease was most rapid in summer (high confidence).Data normalized to the satellite measured sea ice extent in 1979

(IPC

C 2

013,

Fig

. SP

M.2

)

(IPC

C 2

013,

Fig

. SP

M.T

able

.1)

(IPC

C 2

013,

Fig

. SP

M.1

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